4143238 has 16 divisors (see below), whose sum is σ = 6925824. Its totient is φ = 1842760.

The previous prime is 4143233. The next prime is 4143241. The reversal of 4143238 is 8323414.

It is a super-2 number, since 2×4143238² = 34332842249288, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4143233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970 + ... + 3037.

It is an arithmetic number, because the mean of its divisors is an integer number (432864).

Almost surely, 2^4143238 is an apocalyptic number.

4143238 is a deficient number, since it is larger than the sum of its proper divisors (2782586).

4143238 is a wasteful number, since it uses less digits than its factorization.

4143238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067.

The product of its digits is 2304, while the sum is 25.

The square root of 4143238 is about 2035.4945345051. The cubic root of 4143238 is about 160.6127286522.

The spelling of 4143238 in words is "four million, one hundred forty-three thousand, two hundred thirty-eight".